DOI Number : 10.5614/j.eng.technol.sci.2013.45.1.5
Hits : 4

Experimental and Analytical Study Approach of Artificial Basilar Membrane Prototype (ABMP)

Harto Tanujaya1, Hirofumi Shintaku3, Dai Kitagawa3,
Adianto1, Susilodinata2 & Satoyuki Kawano3

1Mechanical Engineering Department, Faculty of Engineering,
Tarumanagara University, Jalan Letjen. S. Parman No. 1, Jakarta 11440, Indonesia
2Faculty of Medicine, Tarumanagara University,
Jalan Letjen. S. Parman No. 1, Jakarta 11440, Indonesia
3Mechanical Science and Bioengineering Department, Graduate School of Engineering Science, Osaka University, Machikaneyama-cho 1-3, Toyonaka, Osaka 560-8531, Japan
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In this research, we have developed, fabricated, tested, and analyzed an artificial basilar membrane prototype (ABMP), which works using sinusoidal waves of various frequencies. The design of the prototype has a trapezoidal shape with a length of 30 mm and a width of 2 to 4 mm. The research was carried out experimentally and analytically. Experimentally, the ABMP’s vibration was measured using a laser Doppler vibrometer (LDV) and a function generator to generate various frequencies. The analytical approach is discussed based on the Wentzel Kramer Brillouin method (WKB). The results show that resonance frequencies can be reached within the range of human hearing, between 20 Hz to 20 kHz.

Keywords: ABMP; cochlea; frequency; frequency selectivity; PVDF; resonance; vibrating amplitude; WKB.

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